CN104500213B - Compressed air recycling and supplying system and method of turbo supercharged engine - Google Patents
Compressed air recycling and supplying system and method of turbo supercharged engine Download PDFInfo
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- CN104500213B CN104500213B CN201410576934.XA CN201410576934A CN104500213B CN 104500213 B CN104500213 B CN 104500213B CN 201410576934 A CN201410576934 A CN 201410576934A CN 104500213 B CN104500213 B CN 104500213B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The invention discloses a compressed air recycling and supplying system and method of a turbo supercharged engine. Except for a structure of a common turbo supercharged engine, the system is further provided with a low-pressure air storage tank, a high-pressure air storage tank, an adjustable opening electromagnetic valve, a butterfly valve, a one-way valve, a pressure reduction valve, an air supplying valve and a variable phase exhaust valve. Under the high-speed large load condition of the turbo supercharged engine, waste which should pass through a turbine is used by the system for making compressed air, and the compressed air is stored. When an automobile is braked, the compressed air auxiliary brake manner is used for carrying out further compressing supercharging on the gas recycled in the previous step and storing the gas. When the automobile is started at the low speed, the compressed air stored in the previous step is utilized for carrying out supplying. The system can recycle more complementary energy for the traditional turbo supercharged engine, and the low speed and acceleration performance is improved, and the low speed and acceleration emissions are reduced.
Description
Technical field
The present invention relates to a kind of turbocharged engine compressed air reclaims and air compensating system and its method, belong to engine
Tool field.
Technical background
In modern automobile industry, most of diesel engine and part of gasoline machine are all using turbocharging technology.However, so
And the continuous improvement with HP, hp/litre index, it is desirable to it has higher supercharging pressure ratio for single-stage turbocharger
And the wider array of adaptability to internal combustion engine working range, under this requirement, conventional turbocharger has been difficult to meet and has wanted
Ask, under the operating modes such as anxious accelerations of low speed, the big load of low speed all cannot Effec-tive Function, lead to acceleration lags in response, mixed gas quality
The problems such as decline, smoke emission increase.For these problem, both at home and abroad to the response lifting booster using high pressure tonifying Qi
Make widely studied with efficiency, research shows suddenly to accelerate in low engine speed and low speed high load working condition is mended for engine
Gas, can effectively lift the response speed of booster and reduce discharge during low engine speed, but traditional air compensating system
Gas source is stored in the pressure-air in gas tank, usage amount limited it is difficult to be applied in actual vehicle, therefore invent a kind of
The device that gases at high pressure can be prepared using engine complementary energy is extremely necessary.
Content of the invention
Suddenly accelerate and dynamic property and emission problem under low speed high load working condition in low speed to improve turbocharged engine,
Fully recycle engine complementary energy, the present invention provides a kind of turbocharged engine compressed air to reclaim and air compensating system simultaneously
And its method.
The technical scheme of solve problem of the present invention is as follows:
A kind of turbocharged engine compressed air reclaims and air compensating system include turbocharging compressed air recovery system,
Engine compressed air EBA, engine air compensating system, wherein turbocharging compressed air recovery system pass through spray
Air valve is connected with engine compressed air EBA, engine compressed air EBA pass through pressure-reducing valve with
Air compensating system is connected.
Described turbocharging compressed air recovery system includes turbocharger, adjustable opening magnetic valve, the first low pressure
Air accumulator, snifting valve；Adjustable opening magnetic valve one end is connected with the engine intake manifold after turbocharger, the other end and
One low pressure gasholder is connected, and the first low pressure gasholder is connected with the snifting valve on engine cylinder lid by pipeline.Described turbine
Booster is formed by connecting by connecting shaft by turbocharger air compressor end and turbocharger turbine end, supercharger air compressor end
It is connected with inlet manifold, turbocharger turbine end is connected with blast pipe.
Described engine compressed air EBA includes cylinder, piston, variable phase exhaust valve, butterfly valve, list
To valve, high pressure tank；Piston is located in cylinder, and variable phase exhaust valve is located at cylinder upper wall, and butterfly valve is located on blast pipe, single
It is connected to valve one end with positioned at the blast pipe between variable phase exhaust valve and butterfly valve, the other end is connected with high pressure tank.
Described variable phase exhaust valve includes cam, rocking arm, push rod top half, spring, push rod head, exhaust valve, liquid
Pressure check valve and hydraulic circuit control valve；Cam is contacted with one end, and the rocking arm other end is contacted with push rod top half,
Push rod top half is connected with push rod head by spring, push rod head and exhaust valve directly contact, hydraulically-controlled one-way valve and hydraulic circuit
Filled by hydraulic oil between control valve.
Described engine air compensating system includes pressure-reducing valve, the second low pressure gasholder and aeration valve；Second low pressure gasholder
One end is connected with high pressure tank by pressure-reducing valve, and aeration valve and cylinders are passed through in one end.
The turbocharged engine compressed air of described system reclaims and supplementing method for air includes turbocharging compressed air and returns
Receiving method, engine braking compressed air recovery method and engine supplementing method for air, described turbocharging compressed air reclaims
Method is a kind of method reclaiming low-pressure gas and storing, and engine braking compressed air recovery method is that one kind will be aforementioned low
The method that body of calming the anger mixes simultaneously pressurized storage further with additional air, engine supplementing method for air is that compressed air is supplemented by one kind
The method that inlet casing provides extra fresh air for engine.
Described turbocharging compressed air recovery method is: when the exhaust gas valve at turbocharger turbine end is because engine
Pressure at expulsion is excessive when will open but open not yet, and adjustable opening magnetic valve is opened in advance makes Partial shrinkage air be filled with first
Low pressure gasholder, when gas pressure rises and moves closer to gas pressure in inlet manifold in low pressure gasholder, adjusts aperture
Magnetic valve progressively closes off, and the exhaust gas valve at turbocharger turbine end is opened to maintain the pressure stability in inlet manifold simultaneously.
Described turbocharging compressed air recovery system is filled with the first low pressure gasholder using adjustable opening solenoid valve control
Gas mass flow so that the compressed air being filled with the first low pressure gasholder only accounts for of gas gross in inlet manifold
Point, decrease the impact to engine work as far as possible.
The method that described engine braking compressed air reclaims is: when vehicle is in damped condition, piston runs to entering
Near gas stroke bottom dead center, when inlet valve has been switched off, by snifting valve, the compressed air in the first low pressure gasholder is sprayed into
Cylinder, compressed air and original air inlet mix to be incorporated in compression stroke in the cylinder and are collapsed into more high pressure gas further by piston
Body, opens in compression stroke latter stage variable phase exhaust valve, and butterfly valve cuts out, and gases at high pressure discharge cylinder, and are entered by check valve
Enter high pressure tank.
The method of described engine tonifying Qi is: gases at high pressure enter the second low pressure gasholder by pressure-reducing valve, maintains the
Two low pressure gasholder pressure inside the tanks, the second low pressure gasholder is in low speed high load working condition or urgency by aeration valve in engine
Spraying compressed air in cylinder during accelerating mode, increasing fresh charge in cylinder, thus improving engine under both operating modes
Dynamic property and reduce both operating modes under engine emission.
Described engine tonifying Qi pressure charging system ensures that by pressure-reducing valve the gas pressure in the second low pressure gasholder will not
Lead to hypotony because of tonifying Qi process, also will not lead to tonifying Qi because of the second low pressure gasholder pressure inside the tank is too high simultaneously
Journey consumed cabin air quality is too fast.
The control method of described variable phase exhaust valve is: when hydraulic circuit control valve is descending open when, hydraulic oil from
Hydraulically-controlled one-way valve enters pipeline and flows freely, and cam driven rocking arm promotes the motion of push rod top half, and push rod head is made in spring
With under withstand valve but be not synchronized with the movement with push rod top half, valve is under the effect of customary cam rocker structure in engine
Open during exhaust stroke；Described hydraulic circuit control valve is up when blinding off a line, in hydraulically-controlled one-way valve to hydraulic circuit control valve
Between pipeline in form closing space, push rod top half between push rod head due to moving together with hydraulic action, cam band
Motion rocker arm promotes whole push rod motion, and push rod head promotes valve to open in engine compression strokes latter stage.
Described hydraulic circuit control valve, after vehicle braking instruction sends, engine additionally runs two working cycles and enters
Row corner signal corrects, and terminates in normal exhaust stroke afterwards, closes, to reduce in cylinder after exhaust valve closing
Residual gas, ensures that adjustable clearance push rod is in correct phase place simultaneously.
The guiding theory of technique scheme is: by turbocharging compressed air recovery system, script is increased by turbine
The exhaust energy that depressor exhaust gas valve bypass is fallen re-uses and is converted into extra air inflow and reclaimed storage, passes through afterwards
Brake energy recovering system, when vehicle is braked, the kinetic energy of engine piston is converted into the compression energy of air, improves pressure further
The pressure of contracting air and quality are simultaneously stored, and enter the blast injection of storage finally by low engine speed air compensating system
The cylinder of engine, improves the dynamic property in low speed urgency acceleration or low speed high load working condition for the engine, reduces both works simultaneously
Discharge under condition.
Beneficial effects of the present invention: this turbocharged engine compressed air reclaims and air compensating system utilizes more than engine
Energy, and it is converted into the pressure energy of compressed air, finally utilize this Partial shrinkage air by way of tonifying Qi, improve engine and exist
Low speed urgency acceleration or the dynamic property of low speed high load working condition, reduce simultaneously and discharge under both operating modes.
Brief description
The present invention will be described below in conjunction with the accompanying drawings
Fig. 1 is that turbocharged engine reclaims compressed air and air compensating system.
Fig. 2 is the execution structure of variable phase exhaust valve
In figure: 1. piston, 2. cylinder, 3. the first low pressure gasholder, 4. adjustable opening magnetic valve, 5. snifting valve, 6. turbine
Supercharger air compressor end, 7. turbocharger turbine end, 8. variable phase exhaust valve, 9. butterfly valve, 10. aeration valve, 11. is unidirectional
Valve, 12. pressure-reducing valves, 13. second low pressure gasholders, 14. high pressure tanks, 15. exhaust valves, 16. push rod head, 17. springs, 18.
Hydraulically-controlled one-way valve, 19. push rod top half, 20. rocking arms, 21. cams, 22. hydraulic circuit control valves.
Specific embodiment
As depicted in figs. 1 and 2, a kind of turbocharged engine compressed air reclaims and air compensating system includes turbocharging pressure
Contracting air recovery system, engine compressed air EBA, engine air compensating system, wherein turbocharging compressed air
Recovery system is connected with engine compressed air EBA by snifting valve 5, engine compressed air auxiliary braking
System is connected with air compensating system by pressure-reducing valve 12.
Described turbocharging compressed air recovery system includes turbocharger, adjustable opening magnetic valve 4, the first low pressure
Air accumulator 3, snifting valve 5；Adjustable opening magnetic valve 4 one end is connected with the engine intake manifold after turbocharger, the other end
It is connected with the first low pressure gasholder 3, the first low pressure gasholder 3 is connected with the snifting valve 5 on engine cylinder lid by pipeline, institute
The turbocharger stated is formed by connecting by connecting shaft by turbocharger air compressor end 6 and turbocharger turbine end 7, supercharging
Device generator terminal 6 of calming the anger is connected with inlet manifold, and turbocharger turbine end 7 is connected with blast pipe.
Described engine compressed air EBA includes cylinder 2, piston 1, variable phase exhaust valve 8, butterfly valve
9th, check valve 11, high pressure tank 14；Piston 1 is located in cylinder 2, and variable phase exhaust valve 8 is located at cylinder 2 upper wall, butterfly valve 9
On blast pipe, check valve 11 one end is connected with the blast pipe between variable phase exhaust valve 8 and butterfly valve 9, the other end with
High pressure tank 14 is connected.
Described variable phase exhaust valve 8 includes cam 21, rocking arm 20, push rod top half 19, spring 17, push rod head
16th, exhaust valve 15, hydraulically-controlled one-way valve 18 and hydraulic circuit control valve 22；Cam 21 is contacted with rocking arm 20 one end, and rocking arm 20 is another
One end is contacted with push rod top half 19, and push rod top half 19 is connected with push rod head 16 by spring 17, push rod head 16 with
Exhaust valve 15 directly contact, is filled by hydraulic oil between hydraulically-controlled one-way valve 18 and hydraulic circuit control valve 22.
Described engine air compensating system includes pressure-reducing valve 12, the second low pressure gasholder 13 and aeration valve 10；Second low pressure
Air accumulator 13 one end is connected with high pressure tank 14 by pressure-reducing valve 12, and one end is connected with cylinder 2 by aeration valve 10.
When engine runs to high speed high load working condition, because exhaust energy now is larger, the pressure of turbocharger
The outlet gas pressure at mechanism of qi end 6 also can accordingly increase, in order to prevent the generator terminal 6 outlet gas pressure mistake of calming the anger of turbocharger
Greatly engine cylinder internal procedure is adversely affected, usual turbocharger is equipped with an exhaust gas valve, the pressure of exhaust gas valve one end
Power induction structure is connected to the outlet at turbocharger air compressor end 6, and the valve mechanism of its other end is then arranged in turbine and increases
The porch of depressor turbine end 7, when exhaust gas valve pressure sensitive structure detection to turbocharger air compressor end 6 gas pressure
During higher than presetting, it can be gradually opened the valve mechanism of turbine end 7 entrance, and a part of engine exhaust is bypassed from turbine end 7,
Thus reducing the exhaust energy that turbine end 7 can be recovered to, and then reducing the outlet pressure of generator terminal 6 of calming the anger, having during this
Partial engine exhaust energy could not be recovered because of bypassing from turbine end 7.Turbocharging compressed air recovery system will
Reclaim the part in the exhaust energy of this partial loss, when being in the operating mode that exhaust gas valve is opened, turbocharging compressed air
The adjustable opening magnetic valve 4 of recovery system will be opened prior to exhaust gas valve, and Partial shrinkage air introducing the first low pressure gasholder 3 is entered
Row storage, waste gas that now should be bypassed still flows through the wheel rotation that turbine end 7 promotes turbine, simultaneously blower outlet
Gas stores and makes pressure too high because there being part to be introduced into the first low pressure gasholder 3, and this process is up to reservoir pressure
Terminate when rising to similar to inlet manifold, exhaust gas valve will be opened to continue to compressor delivery pressure.
When vehicle is braked, assisted engine is braked and is reclaimed piston 1 simultaneously by engine braking energy-recuperation system
Kinetic energy is simultaneously stored with the pressure energy form of air.In vehicle braking procedure, when piston 1 runs to lower dead center, inlet valve
During closing, it is slightly below the air of atmospheric pressure in cylinder 2 full of pressure, now open the spray being connected with the first low pressure gasholder 3
Air valve 5, by the blast injection being recovered to from inlet manifold inlet casing 2, so that the quality of gas in the jar and pressure are equal
Get a promotion, afterwards the up compressed air of piston 1, convert kinetic energy into the pressure energy of gas, in the latter stage of compression stroke, variable
Phase place exhaust valve 8 is opened and for compressed air to be discharged cylinder 2, and now the butterfly valve 9 on blast pipe cuts out, and compressed air is passed through single
Enter high pressure tank 14 to valve 11 to be stored.
When engine operates in low speed urgency acceleration or the big load of low speed, the air demand of turbocharger cannot meet starts
The air inflow demand of machine, now can lead to dynamic property and discharge to decline, engine tonifying Qi pressure charging system is used for improving this situation.High
Pressure air accumulator 14 passes through pressure-reducing valve 12 and conveys compressed air to the second low pressure gasholder 13, and maintains in the second low pressure gasholder 13
Gas pressure, suddenly accelerate or during low speed high load working condition when engine is in low speed, run to air inlet punching in engine piston 1
In journey latter stage, during IC Intake Valve Closes, by aeration valve 12, the blast injection inlet casing in second low pressure gasholder 13 is increased
Plus air quality in cylinder, improve burning, lift power output, reduce discharge.
Described variable phase exhaust valve in addition to by the cam follower structure control on original engine, also by a set of liquid
The cam follower structure co- controlling of voltage-controlled system.When engine is in normal operating conditions, now hydraulic circuit control valve 22
It is in open mode, due to not having hydraulic action, push rod head 16 and push rod top half 19 unsynchronized revolution, push rod head 16 is in bullet
It is close to exhaust valve 15 under spring 17 effect but does not produce active force, exhaust valve 15 is under former cam rocker arm structure function in engine
Open during exhaust stroke.When engine is in auxiliary braking state, now hydraulic circuit control valve 22 is closed, from
Hydraulic circuit control valve 22 forms airtight hydraulic circuit between hydraulically-controlled one-way valve 18, due to the Incoercibility of liquid, pushes up
In hydraulic action, next plays motion to bar top half 19 with push rod head 16, and the motion of cam 21 and rocking arm 20 is transferred to exhaust valve
15, make compressed air be pushed out cylinder 2 so that exhaust valve 15 was opened in the latter stage of former compression stroke.
Described hydraulic circuit control valve 22, after vehicle braking instruction sends, engine additionally runs two working cycles
Carry out crank angle signal correction, and terminate in normal exhaust stroke afterwards, close after exhaust valve closing, to reduce cylinder 2
Interior residual gas, ensures that adjustable clearance push rod is in correct phase place simultaneously.
Claims (9)
1. a kind of turbocharged engine compressed air reclaim and air compensating system it is characterised in that: include turbocharging compression empty
Gas recovery system, engine compressed air EBA, engine air compensating system, wherein turbocharging compressed air reclaim
System is connected with engine compressed air EBA by snifting valve (5), engine compressed air auxiliary braking system
System be connected with air compensating system by pressure-reducing valve (12), described engine compressed air EBA include cylinder (2),
Piston (1), variable phase exhaust valve (8), butterfly valve (9), check valve (11), high pressure tank (14)；Piston (1) is located at cylinder
(2) in, variable phase exhaust valve (8) is located at cylinder (2) upper wall, and butterfly valve (9) is located on blast pipe, check valve (11) one end and position
Blast pipe between variable phase exhaust valve (8) and butterfly valve (9) is connected, and the other end is connected with high pressure tank (14).
2. a kind of turbocharged engine compressed air according to claim 1 reclaim and air compensating system it is characterised in that
Described turbocharging compressed air recovery system includes turbocharger, adjustable opening magnetic valve (4), the first low pressure gasholder
(3), snifting valve (5)；Adjustable opening magnetic valve (4) one end is connected with the engine intake manifold after turbocharger, another
End is connected with the first low pressure gasholder (3), and the first low pressure gasholder (3) passes through the snifting valve (5) on pipeline and engine cylinder lid
It is connected, described turbocharger passes through connecting shaft by turbocharger air compressor end (6) and turbocharger turbine end (7)
It is formed by connecting, supercharger air compressor end (6) are connected with inlet manifold, turbocharger turbine end (7) are connected with blast pipe.
3. a kind of turbocharged engine compressed air according to claim 1 reclaim and air compensating system it is characterised in that
Described variable phase exhaust valve (8) includes cam (21), rocking arm (20), push rod top half (19), spring (17), push rod head
(16), exhaust valve (15), hydraulically-controlled one-way valve (18) and hydraulic circuit control valve (22)；Cam (21) is connected with rocking arm (20) one end
Touch, rocking arm (20) other end is contacted with push rod top half (19), push rod top half (19) passes through spring (17) and push rod
Head (16) is connected, push rod head (16) and exhaust valve (15) directly contact, hydraulically-controlled one-way valve (18) and hydraulic circuit control valve (22)
Between filled by hydraulic oil.
4. a kind of turbocharged engine compressed air according to claim 1 reclaim and air compensating system it is characterised in that
Described engine air compensating system includes pressure-reducing valve (12), the second low pressure gasholder (13) and aeration valve (10)；Second low pressure storage
Gas tank (13) one end is connected with high pressure tank (14) by pressure-reducing valve (12), and aeration valve (10) and cylinder (2) phase are passed through in one end
Even.
5. a kind of turbocharged engine compressed air of system as claimed in claim 1 reclaims and supplementing method for air, and its feature exists
In inclusion turbocharging compressed air recovery method, engine braking compressed air recovery method and engine supplementing method for air, institute
The turbocharging compressed air recovery method stated is a kind of method reclaiming low-pressure gas and storing, and engine braking compression is empty
Gas recovery method is a kind of method that aforementioned low-pressure gas is mixed simultaneously pressurized storage further with additional air, engine tonifying Qi
Method is a kind of method providing extra fresh air for engine by supplementary for compressed air inlet casing (2).
6. method according to claim 5 is it is characterised in that described turbocharging compressed air recovery method is: works as whirlpool
When the exhaust gas valve of wheel booster turbine end (7) will be opened but open not yet because of engine back pressure is excessive, adjust aperture
Magnetic valve (4) is opened in advance makes Partial shrinkage air be filled with the first low pressure gasholder (3), when on gas pressure in low pressure gasholder
When rising and moving closer to gas pressure in inlet manifold, adjust aperture magnetic valve (4) and progressively close off, turbocharger turbine simultaneously
The exhaust gas valve at end (7) is opened to maintain the pressure stability in inlet manifold.
7. method according to claim 5 is it is characterised in that the method that described engine braking compressed air reclaims is:
When vehicle is in damped condition, piston (1) runs to induction stroke lower, when inlet valve has been switched off, by jet
Compressed air in first low pressure gasholder (3) is sprayed into cylinder (2) by valve (5), and compressed air and original air inlet are in cylinder (2)
Mixed being incorporated in compression stroke is collapsed into more gases at high pressure further by piston (1), in compression stroke latter stage variable phase row
Valve (8) is opened, and butterfly valve (9) cuts out, and gases at high pressure discharge cylinder (2), and enters high pressure tank by check valve (11)
(14).
8. method according to claim 5 is it is characterised in that the method for described engine tonifying Qi is: gases at high pressure pass through
Pressure-reducing valve (12) enters the second low pressure gasholder (13), maintains the second low pressure gasholder (13) pressure inside the tank, the second low pressure gas storage
Tank (13) is sprayed to cylinder (2) is middle when engine is in low speed high load working condition or anxious accelerating mode by aeration valve (10)
Compressed air, increases fresh charge in cylinder.
9. a kind of control method of variable phase exhaust valve as claimed in claim 3 it is characterised in that: when hydraulic circuit control
Valve (22) is descending when opening, and hydraulic oil enters pipeline from hydraulically-controlled one-way valve (18) and flows freely, and cam (21) carries motion rocker arm
(20) promote push rod top half (19) motion, push rod head (16) spring (17) effect under withstand valve (15) but not with top
Bar top half (19) is synchronized with the movement, valve (15) customary cam rocker structure effect under in engine exhaust strokes when beat
Open；Described hydraulic circuit control valve (22) is up when blinding off a line, in hydraulically-controlled one-way valve (18) to hydraulic circuit control valve (22)
Between pipeline in formed closing space, because hydraulic action one starts shipment between push rod top half (19) and push rod head (16)
Dynamic, cam (21) band motion rocker arm (20) promotes whole push rod motion, and push rod head (16) promotes valve (15) to rush in engine compresses
Journey latter stage opens.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410576934.XA CN104500213B (en) | 2014-10-27 | 2014-10-27 | Compressed air recycling and supplying system and method of turbo supercharged engine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410576934.XA CN104500213B (en) | 2014-10-27 | 2014-10-27 | Compressed air recycling and supplying system and method of turbo supercharged engine |
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| CN104500213B true CN104500213B (en) | 2017-01-18 |
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| CN106812615A (en) * | 2015-11-30 | 2017-06-09 | 长城汽车股份有限公司 | The control method of engine, system and vehicle |
| CN108397297A (en) * | 2017-02-08 | 2018-08-14 | 牛锦辉 | Gas control method and device in cylinder |
| CN106762131B (en) * | 2017-03-14 | 2022-10-14 | 观致汽车有限公司 | Engine system and automobile applying same |
| CN107490475A (en) * | 2017-09-19 | 2017-12-19 | 福州大学 | A kind of turbocharger performance testing stand and test method with exhaust energy recovery |
| CN107806364B (en) * | 2017-11-25 | 2023-06-06 | 芜湖钻石航空发动机有限公司 | Supercharged gas control device, supercharged engine for aviation and control method |
| CN108729986A (en) * | 2018-07-19 | 2018-11-02 | 河北工业大学 | The vehicle-mounted soot cleaning systems of diesel engine DPF based on Brake energy recovery and control method |
| CN108678839B (en) * | 2018-07-19 | 2023-04-25 | 河北工业大学 | DPF air supplementing and regenerating system and method based on brake energy recovery |
| CN112145266B (en) * | 2019-06-26 | 2022-01-11 | 陕西汽车集团股份有限公司 | Device for recovering exhaust pulse energy of engine |
| CN110863899B (en) * | 2019-11-18 | 2021-11-19 | 兰泽(荆门)智能科技有限公司 | System for assisting air intake of engine by means of recovered braking force |
| CN110821645B (en) * | 2019-11-18 | 2021-07-23 | 兰泽(荆门)智能科技有限公司 | Method for assisting engine air intake by recovering braking force |
| CN110816499A (en) * | 2019-11-26 | 2020-02-21 | 荆门禾硕精密机械有限公司 | Method for recovering and converting braking energy into turbine drive |
| CN112664377A (en) * | 2020-12-04 | 2021-04-16 | 浙江吉利控股集团有限公司 | Engine operation auxiliary system and method |
| CN112834230B (en) * | 2021-01-21 | 2022-05-24 | 北京理工大学 | Wide-range turbocharger turbine performance test bench |
| CN112780402B (en) * | 2021-03-04 | 2022-04-05 | 哈尔滨工程大学 | Multi-point sequential air supplement device and method for high-power marine diesel engine |
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| DE102004047975A1 (en) * | 2004-10-01 | 2006-04-13 | Knorr-Bremse Ag | Method and device for increasing a torque of a reciprocating internal combustion engine, in particular a diesel engine |
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